package org.apache.maven.plugin.assembly.mojos;

/*
 * Copyright 2001-2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugin.assembly.InvalidAssemblerConfigurationException;
import org.apache.maven.plugin.assembly.archive.ArchiveCreationException;
import org.apache.maven.plugin.assembly.archive.AssemblyArchiver;
import org.apache.maven.plugin.assembly.format.AssemblyFormattingException;
import org.apache.maven.plugin.assembly.io.AssemblyReadException;
import org.apache.maven.plugin.assembly.io.AssemblyReader;
import org.apache.maven.plugins.assembly.model.Assembly;

import java.util.Iterator;
import java.util.List;

public abstract class AbstractDirectoryMojo
    extends AbstractAssemblyMojo
{
    public void execute()
        throws MojoExecutionException, MojoFailureException
    {
        AssemblyReader reader = getAssemblyReader();
        
        List assemblies;
        try
        {
            assemblies = reader.readAssemblies( this );
        }
        catch ( AssemblyReadException e )
        {
            throw new MojoExecutionException( "Error reading assembly descriptors: " + e.getMessage(), e );
        }
        catch ( InvalidAssemblerConfigurationException e )
        {
            throw new MojoFailureException( reader, e.getMessage(), "Mojo configuration is invalid: " + e.getMessage() );
        }
        
        for ( Iterator i = assemblies.iterator(); i.hasNext(); )
        {
            Assembly assembly = (Assembly) i.next();
            createDirectory( assembly );
        }
    }

    private void createDirectory( Assembly assembly )
        throws MojoExecutionException, MojoFailureException
    {
        AssemblyArchiver archiver = getAssemblyArchiver();
        
        String fullName = getFinalName();

        if ( appendAssemblyId )
        {
            fullName = fullName + "-" + assembly.getId();
        }
        else if ( getClassifier() != null )
        {
            fullName = fullName + "-" + getClassifier();
        }

        try
        {
            archiver.createArchive( assembly, fullName, "dir", this );
        }
        catch ( ArchiveCreationException e )
        {
            throw new MojoExecutionException( "Error creating assembly: " + e.getMessage(), e );
        }
        catch ( AssemblyFormattingException e )
        {
            throw new MojoExecutionException( "Error creating assembly: " + e.getMessage(), e );
        }
    }

}
